Pls help im on my nees

Problem page a medical equipment industry manufactures x-ray machines. the unit cost c (the cost in dollars to make each x-ray machine) depends on the number of machines made. if x machines are made, then the unit cost is given by the function =cx+−0.3x2126x31,935 . how many machines must be made to minimize the unit cost?

Rebel technology maintains its records using cash-basis accounting. during the year, the company received cash from customers, $43,000, and paid cash for salaries, $23,500. at the beginning of the year, customers owe rebel $1,000. by the end of the year, customers owe $6,600. at the beginning of the year, rebel owes salaries of $5,600. at the end of the year, rebel owes salaries of $3,300. determine cash-basis net income and accrual-basis net income for the year.

Which (if any) of the following scenarios is the result of a natural monopoly? instructions: you may select more than one answer. a. patent holders of genetically modified seeds are permitted to sue farmers who save seeds from one planting season to the next. b. doctors in the united states are prohibited from practicing without a medical license. c. there is one train operator with service from baltimore to philadelphia. d. coal is used as the primary energy in a country with abundant coal deposits.